POLYMERIZATION OF STYRENE BY POLY(BISPHENOL A 4,4'-AZOBIS-4-CYANOPENTANOATE)

被引：30

作者：

GEORGE, MH ^{[1
]}

WARD, JR ^{[1
]}

机构：

[1] IMPERIAL COLL SCI & TECHNOL,DEPT CHEM,LONDON SW7 2AY,ENGLAND

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 1973年 / 11卷 / 11期

关键词：

D O I：

10.1002/pol.1973.170111112

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A free radical initiator, poly(bisphenol A 4,4 prime -azobis-4-cyanopentanoate), contamining more than one azo group per molecule, was used to polymerize styrene in N,N-dimethylformamide at 60 C. Polymerization rates were measured gravimetrically or dilatometrically, and the molecular weights of the isolated PS were determined viscometrically, both before and after hydrolysis. The molecular weights of unhydrolyzed PS increased with increasing conversion and a theory is developed to explain these results.

引用

页码：2909 / 2926

页数：18

共 16 条

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